//
// request_handler.hpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Modified (c) 2009 Dustin Spicuzza <dustin@virtualroadside.com>
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef HTTP_REQUEST_HANDLER_HPP
#define HTTP_REQUEST_HANDLER_HPP

#include <string>
#include <boost/noncopyable.hpp>

#include "../WebDMA_Pimpl.h"

namespace http {
namespace server {

struct reply;
struct request;

/// The common handler for all incoming requests.
class request_handler
	: private boost::noncopyable
{
public:
	/// Construct with a directory containing files to be served.
	explicit request_handler(const std::string& doc_root, WebDMA_Pimpl * webdma);

	/// Handle a request and produce a reply.
	void handle_request(const request& req, reply& rep);

private:
	/// The directory containing the files to be served.
	std::string doc_root_;
	
	WebDMA_Pimpl * webdma_;
	
	void handle_get_request(const std::string &, reply &rep);
	
	void handle_post_request(const std::string &, const std::string &, reply &rep);

	/// Perform URL-decoding on a string. Returns false if the encoding was
	/// invalid.
	static bool url_decode(const std::string& in, std::string& out);
};

} // namespace server
} // namespace http

#endif // HTTP_REQUEST_HANDLER_HPP
